* {
    margin: 0;
    padding: 0;
}

body {
    background-color: rgb(47, 90, 43);
}

ul {
    list-style: none;
}

ul .daohang {
    text-decoration: none;
    font-weight: 600;
}

.nav li {
    float: right;
    height: 50px;
    font: 25px/33px '微软雅黑';
}

.logo {
    position: absolute;
    left: 80px;
}

header {
    display: block;
    position: fixed;
    left: 0px;
    top: 0px;
    width: 100%;
    z-index: 5;
    box-shadow: rgba(0, 0, 0, 0.3) 0px 4px 4px 0px;
    background-color: rgba(4, 17, 4, 0.319);
}

header a {
    color: aliceblue;
    text-decoration: none;
    display: block;
    padding: 9px 50px;
}

header a:hover {
    background-color: rgb(0 0 0 / 25%);
    padding: 9px 50px;
}

video {
    width: 100%;
    top: 0;
    left: 0;
    position: absolute;
}

.yinyue {
    height: 44px;
    width: 44px;
    margin-top: 3px;
    margin-left: 5px;
    display: inline-block;
}

audio {
    display: none;
    position: absolute;
    top: 2px;
    left: 2px;
}

.yinyue:hover #media {
    display: block;
}

.rotate {
    cursor: pointer;
    animation: rotate 10s linear infinite;
}

div audio:hover {
    animation-play-state: paused;
}

@keyframes rotate {
    from {
        transform: rotate(0deg);
    }

    to {
        transform: rotate(360deg);
    }
}

.jianjie {
    text-align: center;
    color: rgb(183, 230, 184);
    font: 500 20px/30px '微软雅黑';
    height: 150px;
    width: 770px;
    position: absolute;
    top: 950px;
    left: 374.6px;
}

.zongbiao {
    color: rgb(183, 230, 184);
    font: 500 70px '微软雅黑';
    text-shadow: 5px 5px 3px rgb(10, 60, 22);
    position: absolute;
    top: 1300px;
    left: 500px;
    display: block;
}

p {
    font: 400 16px/30px '微软雅黑';
    text-indent: 35px;
}

.hezi {
    padding: 10px;
    height: 260px;
    width: 470px;
    background-color: aliceblue;
    box-shadow: -10px 11px 2px rgb(19, 74, 20);
}

.hezi1 {
    position: absolute;
    top: 1750px;
    left: 800px;
}

.hezi2 {
    position: absolute;
    top: 2330px;
    left: 250px;
}

.hezi3 {
    position: absolute;
    top: 2910px;
    left: 800px;
}

.hezi4 {
    position: absolute;
    top: 3490px;
    left: 250px;
}

.img-box {
    overflow: hidden;
    height: 400px;
    width: 500px;
    border-style: solid;
    border-width: 5px;
    border-radius: 5px;
    border-color: rgb(122, 173, 122);
}

.zhaopian {
    height: 100%;
    width: 100%;
    transition: all 1s;
}

.img-box:hover .zhaopian {
    transform: scale(1.1);
}

.img-box1 {
    position: absolute;
    top: 1700px;
    left: 250px;
}

.img-box2 {
    position: absolute;
    top: 2280px;
    left: 800px;
}

.img-box3 {
    position: absolute;
    top: 2860px;
    left: 250px;
}

.img-box4 {
    position: absolute;
    top: 3440px;
    left: 800px;
}

.max .lianjie {
    color: rgb(237, 237, 237);
    display: block;
    margin: 0;
    background-color: rgb(51, 215, 125);
    width: 135px;
    height: 40px;
    border-radius: 5px;
    float: right;
    padding: 5px;

}

.lianjie {
    text-decoration: none;
    text-align: center;
    display: block;
    font: 500 24px '微软雅黑';
    line-height: 39px;
    position: absolute;
    left: 335px;
    top: 220px;
}

.lianjie img {
    height: 18px;
    width: 18px;
}

.shengming {
    position: absolute;
    top: 4200px;
    left: 607px;
    text-align: center;
    line-height: 20px;
}